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i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
what is completeness constrent?
multiplicity constarin
Security: Data not needed by local applications is not stored at the site, therefore no unnecessary security violations may exist. But how can we carry out fragmentation? Fragm
Describe about Use Case and external case in DFD The processes are transformed those into the Use Case and external case in DFD has same characteristics which of an actor in O
Consider the relations EMPLOYEE(emp#, name) ASSIGNED_TO(project#, emp#) PROJECT(project#, project_name, chief) Express the subsequent queries in Relational Algebra (i) Ge
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
how to make an e r diagram?
Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
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